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Get the facts before you unbox. The Bytech BYPB40108BK power bank features 137 key specs & features, with general information, battery & capacity, charging input performance & power output performance topping the list.
Cycle Life Rating: 300–500 Cycles Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.
A fast snapshot of the Bytech BYPB40108BK, covering its standout specification and what you can expect right out of the box.
Bytech BYPB40108BK
Bytech BYPB40108BK is a 4000W dual USB power bank in black, designed to charge multiple portable electronic devices on the go, equipped with two USB ports for simultaneous charging and large power output for fast recharging of gadgets such as mobile phones and tablets.
Specifications & Facts 137
Specs measured. Drama avoided.
Wondering how the Bytech BYPB40108BK power bank compares? We list out its specs, verdicts from users, pros and cons, and real data next to similar power banks.
General Information 10
Bytech BYPB40108BK Product Type
What is the product type?
59 Bytech BYPB40108BK 0 Votes Power Bank
31 Power Banks in this range Power Bank
Identifies the functional category of the portable charging device.
When it comes to Product Type, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 28 score measurement.
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Bytech BYPB40108BK Country of Origin
Where is this product made?
69 Bytech BYPB40108BK 0 Votes China
34 Power Banks in this range China
States the country where the product is manufactured or assembled.
When it comes to Country of Origin, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 35 score measurement.
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31 Power Banks in this range Smartphone Charging, Tablet Charging, Travel Backup, Emergency Power
Describes the primary usage scenarios the power bank is designed for.
When it comes to Intended Use Case, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 32 score measurement.
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Bytech BYPB40108BK Release Year
What is the release year?
99 Bytech BYPB40108BK 0 Votes 2024
44 Power Banks in this range 2024
Indicates the year the product was first released to market.
When it comes to Release Year, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 55 score measurement.
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Bytech BYPB40108BK Color Options
What color options are available?
75 Bytech BYPB40108BK 0 Votes Black
36 Power Banks in this range Black
Lists the available exterior color choices.
When it comes to Color Options, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 39 score measurement.
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Bytech BYPB40108BK Finish Type
What type of finish does it have?
59 Bytech BYPB40108BK 0 Votes Matte
31 Power Banks in this range Matte
Describes the surface finish of the exterior shell.
When it comes to Finish Type, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 28 score measurement.
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Bytech BYPB40108BK Rugged Design
Does it have a rugged design?
No 0Votes Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether the power bank is built for enhanced durability.
When it comes to Rugged Design, Bytech BYPB40108BK ◉ is worse than Power Bank in this range ◉ .
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Bytech BYPB40108BK Operating Temperature Minimum
What is the minimum operating temperature?
32 °F 0Votes
31.56 °F (Average)
Defines the lowest ambient temperature the power bank can operate safely.
When it comes to Operating Temperature Minimum, Bytech BYPB40108BK ◉ is worse than Power Bank in this range ◉ , delivering equal 0.4 °F measurement.
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Bytech BYPB40108BK Operating Temperature Maximum
What is the maximum operating temperature?
113 °F 0Votes
107.04 °F (Average)
Defines the highest ambient temperature the power bank can operate safely.
When it comes to Operating Temperature Maximum, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 6.0 °F measurement.
Don’t keep it to yourself — be the first to react and review the Operating Temperature Maximum on Bytech BYPB40108BK ◉ and help others decide!
Bytech BYPB40108BK Storage Temperature Range
What is the storage temperature range?
49 Bytech BYPB40108BK 0 Votes 32–104°F
30 Power Banks in this range 32–113°F
Specifies safe temperature conditions for storing the power bank when not in use.
When it comes to Storage Temperature Range, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 19 score measurement.
Don’t keep it to yourself — be the first to react and review the Storage Temperature Range on Bytech BYPB40108BK ◉ and help others decide!
Battery & Capacity 14
Bytech BYPB40108BK Battery Capacity
What is the battery capacity?
4,000 mAh 0Votes
10,399.87 mAh (Average)
Bytech BYPB40108BK
Battery capacity of 4000 mAh offers a balance between portability and sufficient energy storage.
States the total energy storage capacity of the battery cells.
When it comes to Battery Capacity, Bytech BYPB40108BK ◉ is worse than Power Bank in this range ◉ , delivering equal 6,399.9 mAh measurement.
Don’t keep it to yourself — be the first to react and review the Battery Capacity on Bytech BYPB40108BK ◉ and help others decide!
Bytech BYPB40108BK Rated Capacity
What is the rated capacity?
4,000 mAh 0Votes
9,052.91 mAh (Average)
Bytech BYPB40108BK
The rated capacity is 4000 mAh, which defines the amount of charge the battery can store, suitable for charging smartphones approximately once or twice.
Indicates the usable output capacity after conversion losses.
When it comes to Rated Capacity, Bytech BYPB40108BK ◉ is worse than Power Bank in this range ◉ , delivering equal 5,052.9 mAh measurement.
Don’t keep it to yourself — be the first to react and review the Rated Capacity on Bytech BYPB40108BK ◉ and help others decide!
Bytech BYPB40108BK Cycle Life Rating
What is the cycle life rating?
49 Bytech BYPB40108BK 0 Votes 300–500 Cycles
27 Power Banks in this range 300–500 Cycles
Bytech BYPB40108BK
The battery cycle life rating is 300–500 Cycles, meaning it can be recharged this many times before significant capacity loss.
Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.
When it comes to Cycle Life Rating, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 22 score measurement.
Don’t keep it to yourself — be the first to react and review the Cycle Life Rating on Bytech BYPB40108BK ◉ and help others decide!
Bytech BYPB40108BK Self-Discharge Rate
What is the self-discharge rate?
5 % 0Votes
9.95 % (Average)
Bytech BYPB40108BK
The self-discharge rate is 5 %, representing the battery's natural capacity loss when not in use over time.
Indicates how much charge is lost when not in use.
When it comes to Self-Discharge Rate, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 4.9 % measurement.
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Bytech BYPB40108BK Standby Power Loss
How much power is lost in standby?
0.5 Watt 0Votes
1.53 Watt (Average)
Bytech BYPB40108BK
Standby power loss is minimal at 0.5 Watt, indicating efficient energy conservation when not actively charging devices.
Measures power lost while the unit is idle.
When it comes to Standby Power Loss, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 1.0 Watt measurement.
Don’t keep it to yourself — be the first to react and review the Standby Power Loss on Bytech BYPB40108BK ◉ and help others decide!
Bytech BYPB40108BK Energy Rating
What is the energy rating?
4,000 Watt 0Votes
37.03 Watt (Average)
Measures total energy stored expressed in watt-hours.
When it comes to Energy Rating, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 3,963.0 Watt measurement.
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Bytech BYPB40108BK Battery Cell Type
What type of battery cell does it use?
79 Bytech BYPB40108BK 0 Votes Cylindrical
36 Power Banks in this range Pouch
Indicates the physical form factor of the battery cells used.
When it comes to Battery Cell Type, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 43 score measurement.
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Bytech BYPB40108BK Battery Chemistry
What battery chemistry is used?
49 Bytech BYPB40108BK 0 Votes Lithium-Ion
25 Power Banks in this range Lithium-Polymer
Defines the chemical composition of the battery cells.
When it comes to Battery Chemistry, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 24 score measurement.
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Bytech BYPB40108BK Cell Count
How many battery cells are used?
19 Bytech BYPB40108BK 0 Votes 2
11 Power Banks in this range 1
Shows the number of battery cells inside the power bank.
When it comes to Cell Count, Bytech BYPB40108BK ◉ is better than Power Bank in this range ◉ , delivering higher 8 score measurement.
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Bytech BYPB40108BK Battery Voltage
What is the battery voltage?
3.7 Volt 0Votes
3.96 Volt (Average)
Indicates the nominal voltage of the battery pack.
When it comes to Battery Voltage, Bytech BYPB40108BK ◉ is worse than Power Bank in this range ◉ , delivering equal 0.3 Volt measurement.
Don’t keep it to yourself — be the first to react and review the Battery Voltage on Bytech BYPB40108BK ◉ and help others decide!
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